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【单选题】
某 基 坑 体 积 为 200m 3 , 如土 的 最 初 可 松 性 系 数 K s 为 1.2, 最 后 可 松 性 系 数 k s / =1.03, 则开 挖后 松 土 体 积 为 ( ) m 3 。A.
200
B.
220
C.
240
D.
260
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advertisements reflect the true value of them
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enough money is spent on advertising
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advertisements are well designed
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they are of high quality
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mass marketing
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